Message-ID: <1363180999630-4661181.post@n4.nabble.com>
Date: 2013-03-13T13:23:19Z
From: Frank E Harrell Jr
Subject: Accuracy some classifiers
In-Reply-To: <1363122616597-4661109.post@n4.nabble.com>
Which accuracy score are you using? If it is proportion correctly
classified, that is a misleading improper scoring rule.
Frank
rkok wrote
> I am using machine learning for one researching. I am using some
> classifiers with 5-fold CV . I would like to know how it is possible to
> extract the accuracy, for example, for KNN,neural networks and J48, for
> each one of 5-fold because when I apply CV to my classifier, I obtain the
> "mean accuracy" of 5-fold but each accuracy/error of each fold is not
> returned.
>
> Any help is welcome and grateful. Thanks in advance!
>
> Regards!!
-----
Frank Harrell
Department of Biostatistics, Vanderbilt University
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